ἆρά γε λόγον ἔχει δυοῖν ἀρχαῖν, ὑλικῆς τε καὶ δραστικῆς → does it in fact have the function of two principles, the material and the active?
εὐηνίως, εὐηκόως, εὐπειθῶς, εὐπιθῶς, ἀναγκαίως, εὐλόφως